Placing the ____ Constraint on a Column Indicates That All

question 30

Multiple Choice

Placing the ____ constraint on a column indicates that all rows in the table must contain a value in the column.

• A) CHECK
• B) FOREIGN KEY
• C) UNIQUE
• D) NOT NULL

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean.

Standard Deviation

An indicator of the spread or fluctuations in a data set, showing the degree to which the data points deviate from the average value.

Parameter

A numerical characteristic of a statistical population, such as a mean or standard deviation, that describes some aspect of the population.

Simple Random Sample

A sample in which each member of the population has an equal chance of being selected.